Home / 4,922.28-7,386.18-2,613.72

Finding the Fourth Proportional to 4,922.28, 7,386.18 and 2,613.72

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Solution

The fourth proportional to 4,922.28, 7,386.18 and 2,613.72 is: 3,922.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,922.28 : 7,386.18 = 2,613.72 : x
  2. Step 2: Convert to fraction form
    4,922.28/7,386.18 = 2,613.72/x
  3. Step 3: Cross multiply
    4,922.28x = 7,386.18 × 2,613.72
  4. Step 4: Simplify right side
    4,922.28x = 19,305,406.39
  5. Step 5: Solve for x
    x = 19,305,406.39/4,922.28
  6. Step 6: Final answer
    x = 3,922.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.